Weight loss punch » garcinia cambogia extract – dr. oz calls, Yes, dr. oz called garcinia cambogia extract (hca) the holy grail of weight loss. he went on to say, “anytime i see a scientist get this excited about something. Dr oz garcinia cambogia extract: burn fat without diet/exercise!, The garcinia cambogia extract was featured on the dr. oz show as the holy grail for weight loss. but can you really burn fat without diet and exercise?. Pure garcinia cambogia extract - researched reviews, Pure garcinia cambogia extract: case study reviews with all the expensive and artificial fitness/weightloss fads that have come and gone through the years, i always.